300-W ac-dc power supplies offer power density benefits and meets EN60601-1 3rd edition for medical applications

August 17, 2012 // By Paul Buckley
CUI Inc has added a family of compact 300 W power supplies to the company's VMS ac-dc medical power portfolio.

Offering a high power density of 12.5 W/in3, the space-saving power supplies are housed in three optional case styles, including a compact U-frame measuring 5 x 3.2 x 1.5 inches (127.00 x 81.28 x 38.1 mm) and an enclosed version with top or rear fan. The power supplies meet EN60601-1 3rd edition specifications for medical and dental applications, carry UL/cUL and TUV 60601-1 3rd edition safety certifications, and provide EN55022 class B EMI compliance. The devices feature 4k Vac reinforced input-to-output isolation and an output-to-ground isolation of 1500 Vac.

VMS-300 power supplies have a universal 90~264 Vac input for global operation and are available with single outputs from 12 to 48 Vdc or dual outputs of 5/12 Vdc and 12/24 Vdc. The power supplies are rated for operation at full load from 0° to 50°C ambient, derating to 50% load at 70 °C. They feature active PFC and protection for over voltage, over current, short circuit, and over temperature. Connections for remote on/off control and power good are included.


The VMS-300 power supply is priced at $104.54 each in quantities of 250 units.

Visit CUI at www.cui.com